Base | Representation |
---|---|
bin | 111011001101110001101001… |
… | …111000111110000000101101 |
3 | 1021011002222222222122012010101 |
4 | 323031301221320332000231 |
5 | 233113402013324030442 |
6 | 2321520312324311101 |
7 | 105566356130602213 |
oct | 7315615170760055 |
9 | 1234088888565111 |
10 | 260431413501997 |
11 | 75a88384541851 |
12 | 25261429542491 |
13 | b241766638aba |
14 | 4844d3a592cb3 |
15 | 20196432c4cb7 |
hex | ecdc69e3e02d |
260431413501997 has 2 divisors, whose sum is σ = 260431413501998. Its totient is φ = 260431413501996.
The previous prime is 260431413501979. The next prime is 260431413502027. The reversal of 260431413501997 is 799105314134062.
It is a happy number.
Together with previous prime (260431413501979) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 241868249868996 + 18563163633001 = 15552114^2 + 4308499^2 .
It is a cyclic number.
It is not a de Polignac number, because 260431413501997 - 27 = 260431413501869 is a prime.
It is a super-2 number, since 2×2604314135019972 (a number of 30 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (260431413501947) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130215706750998 + 130215706750999.
It is an arithmetic number, because the mean of its divisors is an integer number (130215706750999).
Almost surely, 2260431413501997 is an apocalyptic number.
It is an amenable number.
260431413501997 is a deficient number, since it is larger than the sum of its proper divisors (1).
260431413501997 is an equidigital number, since it uses as much as digits as its factorization.
260431413501997 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4898880, while the sum is 55.
The spelling of 260431413501997 in words is "two hundred sixty trillion, four hundred thirty-one billion, four hundred thirteen million, five hundred one thousand, nine hundred ninety-seven".
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